Grundfos DMH 25X Installation And Operating Instructions Manual page 19

5.2.3 Dimensions of DMH 255 single-head pumps with G 1 1/4 inlet connection
D1
K
All dimensions are in mm, except for the thread designations.
Pump model A B
DMH 255 510 492
5.2.4 Dimensions of DMH 255 single-head pumps with flange on inlet side
A
D1
K
D3
D4
D5
All dimensions are in mm, except for the thread designations.
Inlet flange
Pump model
D3
DMH 255 DN32 510
DMH 255 ANSI 1 1/4 510
A
D2
F C2
M
C C1 D D1
156 20 254 G1 1/4
D2
F C2
M
A B C C1 D
492 156 20 254 G1 1/4
492 156 20 254 G1 1/4
D
J
C
N
D2 E F G
9 234 185 126
D
J
C
N
D1 D2 D4 D5 E
9 100 140 283
9 88,9 117 283
J K M N
10 253 225 180
F G J K M
185 126 10 253 225
185 126 10 253 225
S S1
10,5 -
N S1
180 41
180 41
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